90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
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* Licensed under the GPL
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*/
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#ifndef __SYSDEP_STUB_H
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#define __SYSDEP_STUB_H
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#include <asm/ptrace.h>
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#include <asm/unistd.h>
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extern void stub_segv_handler(int sig);
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extern void stub_clone_handler(void);
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#define STUB_SYSCALL_RET EAX
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#define STUB_MMAP_NR __NR_mmap2
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#define MMAP_OFFSET(o) ((o) >> PAGE_SHIFT)
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static inline long stub_syscall1(long syscall, long arg1)
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{
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long ret;
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__asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1));
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return ret;
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}
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static inline long stub_syscall2(long syscall, long arg1, long arg2)
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{
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long ret;
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__asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1),
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"c" (arg2));
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return ret;
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}
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static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3)
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{
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long ret;
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__asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1),
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"c" (arg2), "d" (arg3));
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return ret;
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}
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static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3,
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long arg4)
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{
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long ret;
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__asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1),
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"c" (arg2), "d" (arg3), "S" (arg4));
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return ret;
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}
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static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
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long arg4, long arg5)
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{
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long ret;
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__asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1),
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"c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5));
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return ret;
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}
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static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
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long arg4, long arg5, long arg6)
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{
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long ret;
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__asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; "
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"int $0x80 ; pop %%ebp"
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: "=a" (ret)
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: "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3),
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"S" (arg4), "D" (arg5), "0" (arg6));
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return ret;
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}
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static inline void trap_myself(void)
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{
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__asm("int3");
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}
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#endif
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